mirror of https://github.com/rust-lang/rust
61 lines
1.5 KiB
Rust
61 lines
1.5 KiB
Rust
// MIR for `range_iter_next` after PreCodegen
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fn range_iter_next(_1: &mut std::ops::Range<u32>) -> Option<u32> {
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debug it => _1;
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let mut _0: std::option::Option<u32>;
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scope 1 (inlined iter::range::<impl Iterator for std::ops::Range<u32>>::next) {
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scope 2 (inlined <std::ops::Range<u32> as iter::range::RangeIteratorImpl>::spec_next) {
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let mut _4: bool;
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let _5: u32;
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let mut _6: u32;
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scope 3 {
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}
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scope 4 (inlined std::cmp::impls::<impl PartialOrd for u32>::lt) {
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let mut _2: u32;
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let mut _3: u32;
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}
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}
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}
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bb0: {
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StorageLive(_5);
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StorageLive(_4);
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StorageLive(_2);
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_2 = copy ((*_1).0: u32);
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StorageLive(_3);
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_3 = copy ((*_1).1: u32);
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_4 = Lt(move _2, move _3);
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StorageDead(_3);
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StorageDead(_2);
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switchInt(move _4) -> [0: bb1, otherwise: bb2];
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}
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bb1: {
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_0 = const Option::<u32>::None;
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goto -> bb4;
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}
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bb2: {
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_5 = copy ((*_1).0: u32);
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StorageLive(_6);
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_6 = <u32 as Step>::forward_unchecked(copy _5, const 1_usize) -> [return: bb3, unwind unreachable];
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}
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bb3: {
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((*_1).0: u32) = move _6;
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StorageDead(_6);
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_0 = Option::<u32>::Some(copy _5);
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goto -> bb4;
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}
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bb4: {
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StorageDead(_4);
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StorageDead(_5);
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return;
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}
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}
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ALLOC0 (size: 8, align: 4) {
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00 00 00 00 __ __ __ __ │ ....░░░░
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}
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